Prepositions,Conjunctions,Interjections

http://www.writingcentre.uottawa.ca/hypergrammar/preposit.html
http://www.englishclub.com/grammar/prepositions-list.htm

Prepositions can describe a relationship of an object in a sentence. Such as On,beneath, over, against, beside, or during

"The keys are ON the table."

"The broom is AGAINST the wall."

"The bread is BENEATH the cabinet."

http://grammar.ccc.commnet.edu/grammar/conjunctions.htm
http://www.virtualsalt.com/conjunct.htm

Conjunctions can be words such as and, but, or, yet, for, nor, so.

"Jack jumped BUT not over the candlestick." "You can study hard for the exam OR you will fail."
"Study your hardest SO you can pass."

http://grammar.ccc.commnet.edu/grammar/interjections.htm

Interjections are words or phrases used to exclaim,protest, or command.

"Wow! I won the lottery!"
"Oh, I have no idea."
"No, You shouldn't have done that!"

Power Points

http://www.authorstream.com/Presentation/kazama-89350-conjunctions-conjunction-education-ppt-powerpoint/
http://www.edzone.net/~wohltjen/Preposition_Power_Mini.ppt